vtiger CRM 4.2.4, and possibly earlier, allows remote attackers to bypass authentication and access administrative modules via a direct request to index.php with a modified module parameter, as demonstrated using the Settings module.
http://www.vupen.com/english/advisories/2006/3444
http://www.osvdb.org/28462
http://secunia.com/advisories/21728
Source: Mitre, NVD
Published: 2006-09-06
Updated: 2026-04-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00666